清除 Windows 图标缓存

管理员身份启动 cmd

rem 关闭Windows外壳程序 explorer  
taskkill /f /im explorer.exe  

rem 清理系统图标缓存数据库  
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"  
del /f "%userprofile%\AppData\Local\IconCache.db"  
attrib /s /d -h -s -r "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\*"  
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_32.db" 
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_96.db" 
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_102.db" 
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db" 
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1024.db" 
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db" 
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_sr.db"  

rem 清理 系统托盘记忆的图标  
echo y|reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v IconStreams 
echo y|reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v PastIconsStream  

rem 重启Windows外壳程序explorer
start explorer

PS: 没实际测试过，每次我都是手动清理这些位置。